>"I have a boyfriend"
>man walks away
or
>"Back off my girlfriend"
>man backs off
the end.
I literally do not see the next chapter going any other direction lmao
unless we go the "I'm gonna beat you up, motherfucker" route
But I'm gonna throw a random guess here because he "smelled" her scent or something, that he's somehow related to Kotaro
Dunno if family or work related though, but he has a good nose to smell her out.